Description

When adjusting properties from the details panel, if auto-key is off, animations will reset. In related cases, components can lose their binding, and their properties will turn red. It may be that the spawnable was not spawned in time for the sequence to re-evaluate at that frame, and apply the animations.

Steps to Reproduce
  1. Create a sequence
  2. Create a new blueprint actor class
  3. Add a skeletal mesh component to the class
  4. Add the blueprint actor as a spawnable by dragging it from the content browser into the sequence
  5. Add an animation to the actor
  6. scrub so the animation is evaluated
  7. Make sure auto-key is turned off
  8. In the actor's details adjust one of the location values, X, Y or Z

RESULT

When the change is committed, the actor will revert to the default pose.

NOTE
When auto-key is on, or when changing the value from the timeline UI the animation pose remains correct.

Additionally moving the actor through the editor viewport will cause the animation to revert, but moving one of the components, like the root component, will not.

Have Comments or More Details?

There's no existing public thread on this issue, so head over to AnswerHub just mention UE-101261 in the post.

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Fixed
ComponentUE - Anim - Sequencer
Affects Versions4.254.26
Target Fix5.0
Fix Commit18277791
Main Commit18278015
CreatedOct 15, 2020
ResolvedNov 23, 2021
UpdatedDec 1, 2021